The U.S. Department of Defense has severed ties with some Chinese universities, and the Chinese Ministry of Commerce has condemned the United States for undermining scientific cooperation.

The U.S. Department of Defense announced a reduction in ties with 30 U.S. universities and Chinese institutions that have raised concerns about national security. The Chinese Ministry of Commerce condemned the U.S. for undermining scientific cooperation.

Why it matters. The Sino-US scientific research cooperation has been affected, which may impact the technological development of both sides.